Similarly, the belief that the Society represented Roman intrusion in the affairs of national churches clearly played a role, not least in the regalist
Spain of Charles III (r.
The author shows this phenomenon by analyzing the brief yet ascendant career of one of the most aggressive proponents of the regalist
programs, Fryderyk Jagiellon (1468-1503): the youngest son of the Jagiellonian monarchs, King Kazimierz IV and Queen Elizabeth Habsburg, brother of the rulers of Poland, Lithuania, Hungary, and Bohemia, brother-in-law to five electors and princes of the Holy Roman Empire, Bishop of Cracow (then the Polish capital), primate, senator, and regent of Poland, and cardinal of the Roman Church.
Montufar, along with the bishop of Michoacan, the highly regalist
former lawyer Vasco de Quiroga, promoted a Tridentine reform of the Mexican Church parallel to efforts in Spain.
Long ago Sorel observed that the Braganza and Bourbon drive against the Jesuits from the 1750s to the 1770s was one of the rare instances of a shared regalist
campaign in Europe informed by a similar set of suspicions leading to the first suppression of the Society by Clement XIV in 1773.
It upheld a rigorous regalist
view concerning the Church in Portugal.
Ward demonstrate, Jansenists allied with regalists
and enlighteners to implement political and educational reforms that were often anti-papal and anti-Jesuitical in nature.